Question

32. A school has only three classes compresed
of 40, 50 and 60 students respectively. In
these classes, 10%, 20% and 10% students
respectively passed in the examinations.
What percentage of students passed in the
examination from the entire school?
​

Answer 1

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Answer 2

The passed percentage is 13.33%

Step-by-step explanation:

Consider the provided information.

A school has only three classes compressed  of 40, 50 and 60 students respectively. In  these classes, 10%, 20% and 10% students  respectively passed in the examinations.

First find the 10% of 40.

$\frac{10}{100}\times40=4$

4 student passed in the first class.

Find the 20% of 50.

$\frac{20}{100}\times50=10$

10 student passed in the second class.

Find the 10% of 60.

$\frac{10}{100}\times60=6$

6 student passed in the third class.

Total number of students passed: 4+10+6=20

Total number of students are: 40+50+60=150

Now find the percentage of students passed in the examination.

$\text{Passed student percentage}=\frac{20}{150}\times100=13.33\%$

Hence, the passed percentage is 13.33%

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